@article{DAN_1995_341_3_a1,
     author = {Yu. F. Borisov},
     title = {Differential properties of manifolds with intrinsic metric},
     journal = {Doklady Akademii Nauk},
     pages = {299--300},
     publisher = {mathdoc},
     volume = {341},
     number = {3},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1995_341_3_a1/}
}